... location(Depth d,level p,distance s,amplitude,sz dB,)4.Automated switch three staff gauge ((Depth d, ... thickness value.7.Gate and DAC alarm; Acoustic-Optical alarm;8.RS232 port,communication with pc is easy9.The embeded software ... ,10,20, 30,40,50,60,70,80,90, 100,150,200, 250, 300, 350, 400,450,500,600, ... transmission probe)Frequency Range (MHz)0.5–15Gain adjustment (dB)0~110Adjusting step: 0.0,0.2,0.5,1 ...